Discovery Presents

Roller Coaster Science

Watch the laws of physics at work, at 1,000 frames per second. And, get a quick lesson in positive and negative G's.

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Most black holes probably form when supermassive stars collapse into a dense gravitational mass that absorbs all light.WWW
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01:57

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Birth of a Black Hole
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If black holes are really just the entrance to worm holes we may be able to use them as shortcuts to travel through time and space.WWW
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01:53

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Time Travel Portal?
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In 1924, Edwin Hubble discovered that there were more galaxies other than the Milky Way.WWW
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02:13

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Family of Galaxies
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The sun has been lighting our planet for 4.6 billion years and dominates all life on Earth -- but it's a speck in comparison to the other stars in the universe.WWW
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01:33

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Big Stars
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Symmetry and sex appeal go hand in hand. See how strangers perceive beauty in an experiment based on facial symmetry.WWW
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02:50

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The Beauty of Symmetry
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Research has shown that a woman's sense of smell protects her from mating with a relative. Find out how in Discovery Channel's "The Science of Sex Appeal."WWW
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02:03

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Unsexy Scents
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Why are women more selective than men? It's biological. Find out why from Discovery Channel's "The Science of Sex Appeal."WWW
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02:30

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Women Are Choosier
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Are humans biologically programmed to mate for life? Learn surprising strategies of human mating, in Discovery Channel's "The Science of Sex Appeal."WWW
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02:46

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Mating for Life
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Why is the shape of the body so important? Scientist Kerrie Johnson has determined certain shapes that drive us wild. Get more in Discovery Channel's "The Science of Sex Appeal."WWW
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02:38

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Shapely Figures
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If humans are biologically built to stray, is there any hope for love for life? According to professor Helen Fisher, there are signs of it all around us.WWW
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02:14

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Is Monogamy the Answer?
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A woman's voice changes with her monthly cycle. Science says this is perceived as more attractive. See for yourself.WWW
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02:07

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Voices on Estrogen
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Could copulance be a hidden weapon in women's armory of attraction? Men seem to lose all ability to think clearly when exposed. Learn more from Discovery Channel's "The Science of Sex Appeal."WWW
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01:46

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Female Copulance
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While scouting for an attractive partner, you might have to settle for someone "in your league." Watch a mate selection experiment in Discovery Channel's "The Science of Sex Appeal."WWW
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01:48

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Out of Your League?
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What makes a voice attractive? Here's what science says. Discover what qualities are most desired by the opposite sex in Discovery Channel's "The Science of Sex Appeal" program.WWW
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02:54

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Sexy Voices
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Your skin can send sexual signals too. How? See the science behind the attractiveness of flesh in Discovery Channel's "Science of Sex Appeal" program.WWW
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02:23

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Signals of the Flesh
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What types of body movements are considered sexy? Watch a study of human body motions in Discovery Channel's "The Science of Sex Appeal" program.WWW
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02:41

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Sexy Swaying Bodies
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